[XeTeX] engine or unicode-math bug? Problems with math font switches in subscripts

Ulrike Fischer news3 at nililand.de
Sun Jun 30 12:04:43 CEST 2013


Miktex users which updated to the newest xetex engine (version
3.1415926-2.4-0.9998 (MiKTeX 2.9)) report problems with subscripts
in math.

http://tex.stackexchange.com/questions/121769/miktex-amsfont-problem-scriptfont-is-undefined
http://tex.stackexchange.com/questions/121276/updating-miktex-again-errors

\documentclass{article}
\usepackage{unicode-math}

\begin{document}
$a_{b1}$
\end{document}

gives the error

! \textfont 197 is undefined (character .5).
l.6 $a_{b1}$
            
If one continues the output looks ok.



The same document compiled with TL13 gives no error but there is a
suspicious missing character message in the log which imho could be
related:

Missing character: There is no Dž in font
[latinmodern-math.otf]/ICU:script=math
;language=DFLT;!


On a miktex without the new xelatex engine but the same unicode-math
version there is no problem.

-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/



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